OWASP TOP 10: Cross-site scripting (XSS) ~2023

Welcome to the ultimate guide to Cross-Site Scripting (XSS)! In this comprehensive Udemy course, you will learn everything you need to know about XSS, from the basics to the most advanced techniques.

The OWASP Top 10 provides rankings of—and remediation guidance for—the top 10 most critical web application security risks. Leveraging the extensive knowledge and experience of the OWASP's open community contributors, the report is based on a consensus among security experts from around the world.

What is Cross-Site Scripting?

Cross-Site Scripting, or XSS, is a type of web vulnerability that allows an attacker to inject malicious code into a website or web application. This can lead to a range of attacks, including stealing sensitive information, hijacking user accounts, and spreading malware. XSS is one of the most common and dangerous web vulnerabilities, and it is essential for any web developer, security professional, or ethical hacker to understand how to prevent and detect XSS attacks.

Why Learn Cross-Site Scripting?

With the increasing popularity of web applications and the internet, web security has become a critical concern. XSS is one of the most prevalent web vulnerabilities, and it can have severe consequences for both users and businesses. By learning how to prevent and detect XSS attacks, you can become a valuable asset to any organization and ensure the safety and security of web applications.

Is This Course For Me?

This course is designed for anyone interested in web security, including web developers, security professionals, ethical hackers, and anyone who wants to learn more about XSS. No prior knowledge of web security or programming is required, but a basic understanding of web development concepts such as HTML, CSS, and JavaScript will be beneficial.

Topics Covered:

1. Introduction to Cross-Site Scripting

• What is Cross-Site Scripting?

• Types of XSS

• How XSS works

• Impact of XSS attacks

2. Types of Cross-Site Scripting

• Reflected XSS

• Stored XSS

• DOM-Based XSS

• Other types of XSS

3. Detecting and Exploiting Cross-Site Scripting

• Finding XSS vulnerabilities

• Exploiting XSS vulnerabilities

• Payloads and techniques

• Tools for XSS testing and exploitation

4. Preventing Cross-Site Scripting

• Understanding input validation and output encoding

• Implementing secure coding practices

• Using web application firewalls (WAFs)

• Best practices for preventing XSS attacks

5. Advanced Cross-Site Scripting Techniques

• XSS in HTML5 and beyond

• Bypassing XSS filters

• Advanced payloads and techniques

• Client-side attacks and defense

6. Real-World Examples and Case Studies

• XSS in popular websites and applications

• XSS in mobile and web apps

• Mitigation strategies and best practices

Who Needs to Learn Cross-Site Scripting?

Any web developer, security professional, or ethical hacker who works with web applications or websites should learn Cross-Site Scripting. This includes:

• Web developers

• Web designers

• Security analysts

• Penetration testers

• Ethical hackers

• Cybersecurity professionals

• IT managers and administrators

• Anyone interested in web security

By the end of this course, you will have a thorough understanding of Cross-Site Scripting, including how to prevent and detect XSS attacks, advanced techniques, and real-world examples. You will also have practical skills that you can use to secure web applications and websites and protect against XSS attacks. Enroll now and start your journey to becoming a web security expert!